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added code to avoid corruption of bdboot.txt: first write to tmp file then move the file. Refers on Windows utf16ToUtf8 from libretroshare. This forward reference can be improved.

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@5434 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2012-08-16 16:59:51 +00:00
parent 21e97a47df
commit c3db4dacf7
4 changed files with 68 additions and 1 deletions
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49
libbitdht/src/util/bdfile.cc Normal file
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#include <stdio.h>
#include <errno.h>
#include "bdfile.h"
namespace librs {
namespace util {
bool ConvertUtf8ToUtf16(const std::string& source, std::wstring& dest) ;
}
}
bool bdFile::renameFile(const std::string& from, const std::string& to)
{
int loops = 0;
#ifdef WINDOWS_SYS
std::wstring f;
librs::util::ConvertUtf8ToUtf16(from, f);
std::wstring t;
librs::util::ConvertUtf8ToUtf16(to, t);
while (!MoveFileEx(f.c_str(), t.c_str(), MOVEFILE_REPLACE_EXISTING))
#else
std::string f(from),t(to) ;
while (rename(from.c_str(), to.c_str()) < 0)
#endif
{
#ifdef WIN32
if (GetLastError() != ERROR_ACCESS_DENIED)
#else
if (errno != EACCES)
#endif
/* set errno? */
return false ;
#ifdef WIN32
Sleep(100000); /* us */
#else
usleep(100000); /* us */
#endif
if (loops >= 30)
return false ;
loops++;
}
return true ;
}